NCP5010 Просмотр технического описания (PDF) - ON Semiconductor
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NCP5010 Datasheet PDF : 18 Pages
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NCP5010
TYPICAL OPERATING CHARACTERISTICS
Condition: Efficiency = 100 x (Number of LED stacked x VLED x ILED)/PIN
90
90
80
80
70
VIN = 2.7 V
VIN = 3.3 V
VIN = 4.2 V
70
VIN = 2.7 V
VIN = 3.3 V
VIN = 4.2 V
60
60
50
0
10 20 30
40 50
60 70
IOUT (mA)
Figure 3. Efficiency vs. Current @ 3 LEDS (10.5 V)
L = Coilcraft DT1608C−223
90
50
0
10 20 30 40 50 60 70
IOUT (mA)
Figure 4. Efficiency vs. Current @ 3 LEDS (10.5 V)
L = TDK VLF4012AT−220
90
80
70
VIN = 2.7 V
VIN = 3.3 V
VIN = 4.2 V
60
80
70
VIN = 2.7 V
VIN = 3.3 V
VIN = 4.2 V
60
50
0
10 20
30 40
50 60 70
IOUT (mA)
Figure 5. Efficiency vs. Current @ 4 LEDS (14 V)
L = Coilcraft DT1608C−223
90
50
0
10 20 30 40 50 60 70
IOUT (mA)
Figure 6. Efficiency vs. Current @ 4 LEDS (14 V)
L = TDK VLF4012AT−220
90
80
VIN = 2.7 V
VIN = 3.3 V
VIN = 4.2 V
70
60
80
70
VIN = 2.7 V
VIN = 3.3 V
VIN = 4.2 V
60
50
0
10 20 30
40
50 60 70
IOUT (mA)
Figure 7. Efficiency vs. Current @ 5 LEDS (17.5 V)
L = Coilcraft DT1608C−223
50
0
10 20 30
40 50 60 70
IOUT (mA)
Figure 8. Efficiency vs. Current @ 5 LEDS (17.5 V)
L = TDK VLF4012AT−220
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